Kedu ihe bụ uru antenna?

akụkọ_2

Antenna uru na-ezo aka n'ókè nke ike njupụta nke mgbaàmà eme site n'ezie antenna na ezigbo radieshon element n'otu ebe na ohere n'okpuru ọnọdụ nke hà input power.Antenna uru na-ezo aka ruru nke ike njupụta nke mgbaàmà emepụtara site na antenna n'ezie na ihe kacha mma radieshon n'otu ebe na oghere n'okpuru ọnọdụ nke ike ntinye nha nha.Ọ na-akọwa n'ụzọ dị iche iche ogo antenna na-etinye ike ntinye ike. O doro anya na uru ahụ nwere njikọ chiri anya na ụkpụrụ antenna.The warara isi lobe nke ụkpụrụ, nta nke abụọ ịkpa ókè na elu uru.A na-eji uru antenna tụọ ikike nke antenna izipu na ịnata akara n'otu akụkụ.Ọ bụ otu n'ime ihe kachasị mkpa maka ịhọrọ antenna ọdụ ọdụ.

N'ikwu okwu n'ozuzu, mmụba nke uru na-adabere na mbelata mkpebi mkpebi obosara nke ụgbọ elu vetikal azụ radieshon, ebe ọ na-ejigide ọrụ radieshon omnidirectional na ụgbọ elu kwụ ọtọ.Uru antenna dị ezigbo mkpa maka ịdị mma nke usoro nkwurịta okwu mkpanaka, n'ihi na ọ na-ekpebi ọkwa mgbaàmà na nsọtụ nke uwe anu, na mmụba nke uru nwere ike ime.

Mee ka mkpuchi netwọkụ dịkwuo elu n'ụzọ akọwapụtara, ma ọ bụ welie oke uru na oke akọwapụtara.Sistemụ cellular ọ bụla bụ usoro bidirectional.Ịbawanye uru antenna nwere ike ibelata oke ego nke sistemu bidirectional.Na mgbakwunye, paramita ndị na-anọchi anya uru antenna gụnyere dBd na dBi.DBi bụ uru dị n'akụkụ antenna isi iyi, radieshon ahụ dịkwa n'otu n'akụkụ niile: uru dBd metụtara antenna matrix symmetric dBi=dBd+2.15.N'okpuru otu ọnọdụ ahụ, ka uru ahụ dị elu, otú ahụ ka ebili mmiri na-aga.


Oge nzipu: Ọgọst-25-2022